Hello, you have come here looking for the meaning of the word chromatid. In DICTIOUS you will not only get to know all the dictionary meanings for the word chromatid, but we will also tell you about its etymology, its characteristics and you will know how to say chromatid in singular and plural. Everything you need to know about the word chromatid you have here. The definition of the word chromatid will help you to be more precise and correct when speaking or writing your texts. Knowing the definition ofchromatid, as well as those of other words, enriches your vocabulary and provides you with more and better linguistic resources.
In this schematic diagram of a human metaphase chromosome, (1) refers to a chromatid: one-half of the two identical double helices of the already replicated chromosome, both joined together by the centromere (2). During cell division, the identical copies (together called a sister chromatid pair) are divided over the two daughter cells, each double helix then constituting a chromosome in its own right. The short (3) and long arm (4) of the chromatid to the right are also marked.